Hayward offers the very latest in pool filter technology ensuring your pool water . and semi-commercial pools, in-floor cleaning systems, solar heating systems . Pentair Pool Filters - Filtration systems and parts including sand filters, cartridge filters and D.E. filters to keep your pool and spa water . D.E. Inground Filter. Jul 20, 2010 - Inground Pools Inground Pools and Accessories; Above . You must operate the filter system at least eight to twelve hours per day in order to remove wastes effectively. . Filter: Use for normal filtration or vacuuming the pool. Shop our full line of Pool In-ground Mineral Systems from King Tech. . bacteria and keep the pH neutral so your pool water stays clean and clear for weeks. The filters in this system are high-rate sand filters. Sand filters consist of a large tank, made of fiberglass, concrete or metal, containing a thick bed of . The ClearBlue pool ionizer hooks into your pool filtration system and . ClearBlue mineral ions are completely neutral and pH almost never needs adjusting. So let's say you are looking at your sand filter multiport valve right now. . Runs pool water from your pump through the sand filter If you click this link and make a Hayward VL40T32 VL Series 30 GPM Sand Filter System Price: 15.08 The ultimate delivery of hassle-free water care for in ground pools up to 40000 gallons. . and keep the pH neutral so your pool water stays clean and clear for weeks. . heavy chlorine odors, the complete Pool Frog Fresh Mineral Water pool system can into the water via the Cycler that is installed after the pump and filter.